Problem regarding Inserting data into Mysql via JSP

Hi i'm new to mysql and jsp conectivity..but i have studied a few tutorials to start with..
While trying to insert data into mysql after creating database and a table in mysql, i am unable to insert data into mysql db.
syntax for table creation:
create table user_master (
user_id int not null auto_increment,
name varchar(20),
comment text(200),
primary key(user_id)
);
here is my program:-
first_page.jsp